highly significantp < 0.05
PEFR reversibility averaged 200.2% and FEV1 15.0%, both highly significant (p < 0.05).
PEFR reversibility averaged 200.2% and FEV1 15.0%, both highly significant (p < 0.05).
Proportion of patients experiencing NIV failure was higher in control arm (oral steroids) but difference between the two groups did not reach statistical significance (p = 0.169).
Comorbidities were frequent: diabetes mellitus was significantly associated with CPA (p = 0.04), as was alcohol use (p = 0.02) and smoking (p = 0.07) was not statistically significant, though smoking showed a trend toward association.